test: expand Rust coverage for Silver

src/config.rs

@@ -567,4 +567,142 @@ mod tests {
         assert_eq!(slot.command, command);
         fs::remove_file(config_path).expect("remove config");
     }
+
+    #[test]
+    fn default_path_points_inside_localappdata() {
+        let path = Config::default_path().expect("LOCALAPPDATA is set on Windows");
+        assert!(path.ends_with(std::path::Path::new("DevNav").join("config.tsv")));
+    }
+
+    #[test]
+    fn load_returns_defaults_when_the_file_is_missing() {
+        let unique = SystemTime::now().duration_since(UNIX_EPOCH).expect("system time").as_nanos();
+        let missing = std::env::temp_dir().join(format!("devnav-missing-{unique}")).join("c.tsv");
+        let config = Config::load(&missing).expect("missing file yields defaults");
+        assert!(config.root().is_none());
+        assert!(config.show_favorites());
+        assert_eq!(config.language(), None);
+        assert!(config.configured_shortcuts().is_empty());
+    }
+
+    #[test]
+    fn load_propagates_real_io_errors_instead_of_swallowing_them() {
+        let unique = SystemTime::now().duration_since(UNIX_EPOCH).expect("system time").as_nanos();
+        let directory = std::env::temp_dir().join(format!("devnav-load-dir-{unique}"));
+        fs::create_dir_all(&directory).expect("create directory");
+        assert!(Config::load(&directory).is_err());
+        fs::remove_dir_all(directory).expect("clean directory");
+    }
+
+    #[test]
+    fn parse_tsv_reads_every_supported_record_type() {
+        let config = Config::parse_tsv(
+            "root\tC:\\code\nshow_favorites\tfalse\ncheck_updates\ttrue\nlanguage\ten-US\n\
+             favorite\tC:\\code\\dev-nav\nalias\tC:\\code\\dev-nav\tprincipal\n\
+             shortcut\t3\tDev\tbun run dev\nunknown\trecord\n\n",
+        );
+        assert_eq!(config.root(), Some(std::path::Path::new("C:\\code")));
+        assert!(!config.show_favorites());
+        assert_eq!(config.check_updates(), Some(true));
+        assert_eq!(config.language(), Some("en-US"));
+        assert!(config.is_favorite(std::path::Path::new("C:\\code\\dev-nav")));
+        assert_eq!(config.alias(std::path::Path::new("C:\\code\\dev-nav")), Some("principal"));
+        assert_eq!(config.shortcut(3).map(|s| s.command.as_str()), Some("bun run dev"));
+    }
+
+    #[test]
+    fn parse_tsv_rejects_invalid_languages_and_shortcut_records() {
+        let config = Config::parse_tsv(
+            "language\tfr-FR\ncheck_updates\tbogus\nshortcut\t10\ta\tcmd\n\
+             shortcut\tx\ta\tcmd\nshortcut\t2\talias-only-no-tab\nshortcut\t4\t\t   \n",
+        );
+        assert_eq!(config.language(), None);
+        assert_eq!(config.check_updates(), Some(false));
+        assert!(config.shortcut(10).is_none());
+        assert!(config.shortcut(2).is_none());
+        assert!(config.shortcut(4).is_none());
+    }
+
+    #[test]
+    fn toggle_favorite_adds_then_removes_the_path() {
+        let mut config = Config::default();
+        let path = std::path::Path::new("C:\\code\\dev-nav");
+        assert!(config.toggle_favorite(path));
+        assert!(config.is_favorite(path));
+        assert!(config.favorite_paths().any(|favorite| favorite == path));
+        assert!(!config.toggle_favorite(path));
+        assert!(!config.is_favorite(path));
+    }
+
+    #[test]
+    fn set_alias_trims_and_removes_on_blank_values() {
+        let mut config = Config::default();
+        let path = std::path::PathBuf::from("C:\\code\\dev-nav");
+        config.set_alias(path.clone(), "  principal  ".into());
+        assert_eq!(config.alias(&path), Some("principal"));
+        config.set_alias(path.clone(), "   ".into());
+        assert_eq!(config.alias(&path), None);
+        config.set_alias(path.clone(), String::new());
+        assert_eq!(config.alias(&path), None);
+    }
+
+    #[test]
+    fn set_language_accepts_only_supported_locales() {
+        let mut config = Config::default();
+        config.set_language("en-US");
+        assert_eq!(config.language(), Some("en-US"));
+        config.set_language("de-DE");
+        assert_eq!(config.language(), Some("en-US"));
+    }
+
+    #[test]
+    fn toggle_update_checks_flips_the_stored_value() {
+        let mut config = Config::default();
+        assert!(!config.toggle_update_checks());
+        assert_eq!(config.check_updates(), Some(false));
+        assert!(config.toggle_update_checks());
+        assert_eq!(config.check_updates(), Some(true));
+    }
+
+    #[test]
+    fn configured_shortcuts_are_ordered_by_slot_index() {
+        let mut config = Config::default();
+        config.set_shortcut(7, None, "seven".into());
+        config.set_shortcut(2, None, "two".into());
+        config.set_shortcut(5, None, "five".into());
+        let slots: Vec<u8> =
+            config.configured_shortcuts().iter().map(|(index, _)| *index).collect();
+        assert_eq!(slots, vec![2, 5, 7]);
+    }
+
+    #[test]
+    fn save_creates_missing_parent_directories_and_round_trips() {
+        let unique = SystemTime::now().duration_since(UNIX_EPOCH).expect("system time").as_nanos();
+        let sandbox = std::env::temp_dir().join(format!("devnav-nested-{unique}"));
+        let config_path = sandbox.join("deep").join("deeper").join("config.tsv");
+        let mut config = Config::default();
+        config.set_root(std::path::PathBuf::from("C:\\code"));
+        config.set_alias(std::path::PathBuf::from("C:\\code\\tab\tsheet"), "con\ttab".into());
+        config.save(&config_path).expect("save into nested directory");
+
+        let loaded = Config::load(&config_path).expect("load");
+        assert_eq!(loaded.root(), Some(std::path::Path::new("C:\\code")));
+        assert_eq!(loaded.alias(std::path::Path::new("C:\\code\\tab\tsheet")), Some("con\ttab"));
+        fs::remove_dir_all(sandbox).expect("clean sandbox");
+    }
+
+    #[test]
+    fn save_replaces_an_existing_config_atomically() {
+        let unique = SystemTime::now().duration_since(UNIX_EPOCH).expect("system time").as_nanos();
+        let config_path = std::env::temp_dir().join(format!("devnav-replace-{unique}.tsv"));
+        let mut config = Config::default();
+        config.save(&config_path).expect("initial save");
+        config.set_shortcut(1, Some("Dev".into()), "bun run dev".into());
+        config.save(&config_path).expect("replace existing file");
+        assert_eq!(
+            Config::load(&config_path).expect("load").shortcut(1).map(|s| s.command.as_str()),
+            Some("bun run dev")
+        );
+        fs::remove_file(config_path).expect("remove config");
+    }
 }

src/i18n.rs

@@ -270,8 +270,9 @@ pub fn official_bindings() -> &'static [KeyBinding] {
 #[cfg(test)]
 mod tests {
     use super::{
-        KeyBinding, KeyToken, Locale, Modifier, format_binding, official_bindings,
-        resolve_preferred_tags,
+        KeyBinding, KeyToken, Locale, Modifier, TextId, delete_footer, editor_footer,
+        editor_footer_compact, editor_title, format_binding, manager_footer,
+        manager_footer_compact, official_bindings, resolve_preferred_tags, shift_range, text,
     };
 
     #[test]
@@ -305,4 +306,115 @@ mod tests {
         assert_eq!(resolve_preferred_tags(["de-DE", "es-ES", "en-US"]), Locale::EsEs);
         assert_eq!(resolve_preferred_tags(["de-DE", "fr-FR"]), Locale::EnUs);
     }
+
+    #[test]
+    fn locale_tags_and_alternation_are_symmetric() {
+        assert_eq!(Locale::EsEs.tag(), "es-ES");
+        assert_eq!(Locale::EnUs.tag(), "en-US");
+        assert_eq!(Locale::EsEs.other(), Locale::EnUs);
+        assert_eq!(Locale::EnUs.other(), Locale::EsEs);
+        assert_eq!(Locale::EsEs.other().other(), Locale::EsEs);
+    }
+
+    #[test]
+    fn every_defined_text_id_is_translated_in_both_locales() {
+        let cases: [(TextId, &str, &str); 14] = [
+            (TextId::ManagerTitle, "COMANDOS PERSONALIZADOS", "CUSTOM COMMANDS"),
+            (TextId::DeleteTitle, "ELIMINAR COMANDO", "REMOVE COMMAND"),
+            (TextId::Empty, "Vacío", "Empty"),
+            (TextId::AliasOptional, "Alias (opcional)", "Alias (optional)"),
+            (TextId::Command, "Comando", "Command"),
+            (TextId::Save, "Guardar", "Save"),
+            (TextId::Cancel, "Cancelar", "Cancel"),
+            (TextId::Delete, "Eliminar", "Delete"),
+            (TextId::ConfirmDelete, "¿Eliminar comando?", "Remove command?"),
+            (TextId::SaveError, "No se pudo guardar", "Could not save"),
+            (TextId::DeleteError, "No se pudo eliminar", "Could not delete"),
+            (TextId::CommandSaved, "Comando guardado", "Command saved"),
+            (TextId::CommandDeleted, "Comando eliminado", "Command deleted"),
+            (TextId::ManageCommands, "Gestionar comandos personalizados", "Manage custom commands"),
+        ];
+        for (id, expected_es, expected_en) in cases {
+            assert_eq!(text(Locale::EsEs, id), expected_es, "es-ES {id:?}");
+            assert_eq!(text(Locale::EnUs, id), expected_en, "en-US {id:?}");
+        }
+        // Identifiers without UI copy resolve to an empty string.
+        assert_eq!(text(Locale::EsEs, TextId::Help), "");
+        assert_eq!(text(Locale::EnUs, TextId::Quit), "");
+    }
+
+    #[test]
+    fn shift_range_and_panel_copy_are_localized() {
+        assert_eq!(shift_range(Locale::EsEs), "Mayús+1–9");
+        assert_eq!(shift_range(Locale::EnUs), "Shift+1–9");
+        assert!(manager_footer(Locale::EsEs).contains("Supr"));
+        assert!(manager_footer(Locale::EnUs).contains("Delete"));
+        assert!(manager_footer_compact(Locale::EsEs).contains("Supr"));
+        assert!(manager_footer_compact(Locale::EnUs).contains("Del"));
+        assert!(editor_footer(Locale::EsEs).contains("Tab"));
+        assert!(editor_footer(Locale::EnUs).contains("Tab"));
+        assert_eq!(editor_footer_compact(Locale::EsEs), "Tab · Enter · Esc");
+        assert_eq!(editor_footer_compact(Locale::EnUs), "Tab · Enter · Esc");
+        assert!(delete_footer(Locale::EsEs).contains("Confirmar"));
+        assert!(delete_footer(Locale::EnUs).contains("Confirm"));
+    }
+
+    #[test]
+    fn editor_title_distinguishes_new_from_edit_in_both_locales() {
+        assert_eq!(editor_title(Locale::EsEs, true), "NUEVO COMANDO");
+        assert_eq!(editor_title(Locale::EsEs, false), "EDITAR COMANDO");
+        assert_eq!(editor_title(Locale::EnUs, true), "NEW COMMAND");
+        assert_eq!(editor_title(Locale::EnUs, false), "EDIT COMMAND");
+    }
+
+    #[test]
+    fn format_binding_covers_modifiers_and_special_keys() {
+        let cases: [(KeyBinding, Locale, &str); 18] = [
+            (
+                KeyBinding::with_modifier(Modifier::Ctrl, KeyToken::Char('S')),
+                Locale::EsEs,
+                "Ctrl+S",
+            ),
+            (
+                KeyBinding::with_modifier(Modifier::Ctrl, KeyToken::Char('U')),
+                Locale::EnUs,
+                "Ctrl+U",
+            ),
+            (
+                KeyBinding::with_modifier(Modifier::Shift, KeyToken::Char('F')),
+                Locale::EsEs,
+                "Mayús+F",
+            ),
+            (
+                KeyBinding::with_modifier(Modifier::Shift, KeyToken::Char('F')),
+                Locale::EnUs,
+                "Shift+F",
+            ),
+            (KeyBinding::plain(KeyToken::Char('q')), Locale::EsEs, "q"),
+            (KeyBinding::plain(KeyToken::F1), Locale::EsEs, "F1"),
+            (KeyBinding::plain(KeyToken::F2), Locale::EnUs, "F2"),
+            (KeyBinding::plain(KeyToken::F3), Locale::EsEs, "F3"),
+            (KeyBinding::plain(KeyToken::Enter), Locale::EnUs, "Enter"),
+            (KeyBinding::plain(KeyToken::Escape), Locale::EsEs, "Esc"),
+            (KeyBinding::plain(KeyToken::Up), Locale::EsEs, "↑"),
+            (KeyBinding::plain(KeyToken::Down), Locale::EnUs, "↓"),
+            (KeyBinding::plain(KeyToken::Left), Locale::EsEs, "←"),
+            (KeyBinding::plain(KeyToken::Right), Locale::EnUs, "→"),
+            (KeyBinding::plain(KeyToken::Backspace), Locale::EsEs, "Retroceso"),
+            (KeyBinding::plain(KeyToken::Backspace), Locale::EnUs, "Backspace"),
+            (
+                KeyBinding::with_modifier(Modifier::Shift, KeyToken::Enter),
+                Locale::EnUs,
+                "Shift+Enter",
+            ),
+            (
+                KeyBinding::with_modifier(Modifier::Ctrl, KeyToken::Backspace),
+                Locale::EsEs,
+                "Ctrl+Retroceso",
+            ),
+        ];
+        for (binding, locale, expected) in cases {
+            assert_eq!(format_binding(binding, locale), expected);
+        }
+    }
 }

src/input.rs

@@ -139,9 +139,14 @@ fn shortcut_slot(virtual_key: u16) -> Option<u8> {
 
 #[cfg(test)]
 mod tests {
-    use super::{Key, VK_DOWN, VK_ESCAPE, VK_F1, VK_F2, VK_F3, VK_UP, map_key};
+    use super::{
+        Key, VK_BACK, VK_DELETE, VK_DOWN, VK_END, VK_ESCAPE, VK_F1, VK_F2, VK_F3, VK_HOME, VK_LEFT,
+        VK_RETURN, VK_RIGHT, VK_TAB, VK_UP, map_key, shortcut_slot,
+    };
     use windows_sys::Win32::System::Console::KEY_EVENT_RECORD;
-    use windows_sys::Win32::System::Console::{LEFT_CTRL_PRESSED, SHIFT_PRESSED};
+    use windows_sys::Win32::System::Console::{
+        LEFT_ALT_PRESSED, LEFT_CTRL_PRESSED, RIGHT_ALT_PRESSED, SHIFT_PRESSED,
+    };
 
     fn key_event(virtual_key: u16) -> KEY_EVENT_RECORD {
         KEY_EVENT_RECORD {
@@ -152,6 +157,12 @@ mod tests {
         }
     }
 
+    fn key_event_with_char(virtual_key: u16, character: char) -> KEY_EVENT_RECORD {
+        let mut event = key_event(virtual_key);
+        event.uChar.UnicodeChar = character as u16;
+        event
+    }
+
     #[test]
     fn navigation_keys_are_not_escape() {
         assert_eq!(map_key(key_event(VK_UP)), Key::Up);
@@ -221,4 +232,57 @@ mod tests {
         shifted.dwControlKeyState = SHIFT_PRESSED;
         assert_eq!(map_key(shifted), Key::Shortcut(1));
     }
+
+    #[test]
+    fn editing_and_function_keys_map_to_dedicated_variants() {
+        assert_eq!(map_key(key_event(VK_LEFT)), Key::Left);
+        assert_eq!(map_key(key_event(VK_RIGHT)), Key::Right);
+        assert_eq!(map_key(key_event(VK_RETURN)), Key::Enter);
+        assert_eq!(map_key(key_event(VK_BACK)), Key::Backspace);
+        assert_eq!(map_key(key_event(VK_DELETE)), Key::Delete);
+        assert_eq!(map_key(key_event(VK_HOME)), Key::Home);
+        assert_eq!(map_key(key_event(VK_END)), Key::End);
+        assert_eq!(map_key(key_event(VK_TAB)), Key::Tab);
+    }
+
+    #[test]
+    fn control_c_maps_to_a_dedicated_quit_signal() {
+        let mut event = key_event(u16::from(b'C'));
+        event.dwControlKeyState = LEFT_CTRL_PRESSED;
+        assert_eq!(map_key(event), Key::CtrlC);
+    }
+
+    #[test]
+    fn printable_characters_map_through_including_unicode() {
+        assert_eq!(map_key(key_event_with_char(u16::from(b'A'), 'a')), Key::Char('a'));
+        assert_eq!(map_key(key_event_with_char(0x31, 'ñ')), Key::Char('ñ'));
+        assert_eq!(map_key(key_event_with_char(0x4E, '界')), Key::Char('界'));
+    }
+
+    #[test]
+    fn control_characters_without_a_virtual_key_are_unknown() {
+        assert_eq!(map_key(key_event_with_char(0x41, '\u{1}')), Key::Unknown);
+        assert_eq!(map_key(key_event_with_char(0x41, '\u{7f}')), Key::Unknown);
+    }
+
+    #[test]
+    fn alt_shift_digit_stays_available_for_the_os() {
+        let mut event = key_event_with_char(u16::from(b'1'), '!');
+        event.dwControlKeyState = SHIFT_PRESSED | LEFT_ALT_PRESSED;
+        assert_ne!(map_key(event), Key::Shortcut(1));
+
+        let mut event = key_event_with_char(u16::from(b'2'), '@');
+        event.dwControlKeyState = SHIFT_PRESSED | RIGHT_ALT_PRESSED;
+        assert_ne!(map_key(event), Key::Shortcut(2));
+    }
+
+    #[test]
+    fn shortcut_slot_only_accepts_top_row_digits_one_to_nine() {
+        assert_eq!(shortcut_slot(0x30), None);
+        assert_eq!(shortcut_slot(0x31), Some(1));
+        assert_eq!(shortcut_slot(0x39), Some(9));
+        assert_eq!(shortcut_slot(0x3A), None);
+        assert_eq!(shortcut_slot(0x2F), None);
+        assert_eq!(shortcut_slot(0x61), None);
+    }
 }